Using the periodic table above and your knowledge of periodicity, which element has the most electronegativity?

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol